Quartz rock, black quartz block and slabs, kaolin clay, lumps, charcoal, wood pulp.
Quartz, feldspar, talc.
Minerals, quartz powder, fluorite and amethyst.
Bentonite, coltan, chromite, copper ore, manganese ore, dolomite, iron ore, lithium ore, mica, nickel, quartz, cinnabar.Business consulting, technical consulting
Gemstones Tourmaine, Sphene, Green Garnet, Rubelite, Tanzanite, Green Beryl, Watermelon Tourmaline, Aquamarine, Moon Stones, Spessartite Garnet, Andesine, Kunzite, Morganite, Burma Peridot, Kyanite.